{ "title": "Capture, review, preserve — Recording & fieldwork", "text": "MODAVIS (2026). Capture, review, preserve — Recording & fieldwork. Research notebooks, September 2026 · Connected evidence edition. https://modavis.org/editions/2026-09-r6/fieldwork/workflow/", "bibtex": "@misc{modavis_fieldwork_workflow_2026_09_r6,\n author = {{MODAVIS}},\n title = {Capture, review, preserve — Recording & fieldwork},\n year = {2026},\n month = {09},\n version = {2026-09-r6},\n url = {https://modavis.org/editions/2026-09-r6/fieldwork/workflow/},\n note = {Content SHA-256: c8770a59ac185b4e10e47c8d78fcb0834b30a870e2f5ea47542e39665ada982f}\n}", "url": "https://modavis.org/editions/2026-09-r6/fieldwork/workflow/", "sha256": "c8770a59ac185b4e10e47c8d78fcb0834b30a870e2f5ea47542e39665ada982f", "edition": "2026-09-r6", "date": "2026-09-26", "canonicalPayload": "{\"book\":{\"number\":\"03\",\"slug\":\"fieldwork\",\"title\":\"Recording & fieldwork\"},\"chapter\":{\"blocks\":[{\"headers\":[\"Stage\",\"Record to retain\"],\"rows\":[[\"Plan\",\"Instrument, specification, session objectives and capture roadmap.\"],[\"Capture\",\"Original audio, channel identities, equipment and session observations.\"],[\"Review\",\"Accepted or rejected takes and the reasons for those decisions.\"],[\"Derive\",\"Time regions, loop decisions, transformations and their parameters.\"],[\"Export\",\"Versioned resources, rights, provenance and checked file identities.\"]],\"type\":\"table\"},{\"id\":\"regions\",\"text\":\"Regions are not replacement recordings\",\"type\":\"heading\"},{\"text\":\"A sustained sample or a loop can be defined as a region of an original take. Keeping that relation allows another researcher to inspect the surrounding signal and revisit an editing decision.\",\"type\":\"p\"},{\"boundary\":\"This numerical example is a teaching calculation, not a new analysis of a published Cuntz audio excerpt.\",\"caseLabel\":\"Cuntz\",\"concept\":\"A timebase defines how positions correspond to time. A half-open interval includes its first position and excludes its end, avoiding an extra sample at a shared boundary.\",\"evidence\":\"Illustrative scenario\",\"expanded\":false,\"id\":\"cuntz-audio-regions\",\"scenario\":\"For a teaching calculation, take a hypothetical 192,000-frame-per-second audio realization, matching the sampling rate described for the Cuntz thesis recording setup. The excerpt below is illustrative, not an identified take.\",\"sources\":[{\"detail\":\"Submitted dissertation, 11 September 2026; §§8.2.2.1 and 8.4.1, printed pp. 264–265 and 275–276. The historical description and digital inventory require a resolved mapping; the manuscript is not redistributed here.\",\"label\":\"Dominik Ukolov · Musikinstrumente im virtuellen Raum (2026)\"},{\"detail\":\"The standard contract is separate from the Cuntz dataset content version 0.5.0-rc.2.\",\"href\":\"https://doi.org/10.5281/zenodo.22214248\",\"label\":\"VAO Standard 0.5.0\"}],\"steps\":[{\"text\":\"The interval [192000, 384000) starts one second into the signal and spans 192,000 frames: exactly one second at the stated rate.\",\"title\":\"State the region in frames\"},{\"text\":\"A stereo frame includes a sample from each channel. The same one-second interval does not become two seconds because there are two channels, nor does it become two independent pipe recordings.\",\"title\":\"Keep channels distinct\"},{\"text\":\"If a video or control timeline starts elsewhere, record a mapping between its timebase and the audio frame positions, including offset and any uncertainty or discontinuity.\",\"title\":\"Connect timing systems explicitly\"}],\"takeaway\":\"An exact excerpt needs the signal realization, channel interpretation, frame interval and rate.\",\"title\":\"How do we identify a passage within a recording?\",\"type\":\"example\"},{\"id\":\"preservation\",\"text\":\"Preservation and playback serve different needs\",\"type\":\"heading\"},{\"text\":\"A convenient playback package may contain only the assets needed by one application. A preservation release must also retain the information required to understand the selection and its provenance. VAO separates semantic release identity from the choice of carrier.\",\"type\":\"p\"},{\"id\":\"take-identity\",\"text\":\"Use a stable identity for every take\",\"type\":\"heading\"},{\"text\":\"A take belongs to a session and a documented instrument configuration. Give it a stable identity before generating analysis files, excerpts or playback assets. Human-readable filenames help during recording, but the export should also preserve the relationships that explain those names. A renamed or copied file must not silently become a different observation.\",\"type\":\"p\"},{\"id\":\"review-decisions\",\"text\":\"Keep review decisions alongside the signal\",\"type\":\"heading\"},{\"text\":\"During review, distinguish what happened in the recording from what you decide to use. Background noise, an interrupted note or an unexpected register state is an observation. Accepting a take, choosing a region or setting a loop is an editorial decision. Recording both lets a later reader revisit the choice without guessing from the final excerpt.\",\"type\":\"p\"},{\"headers\":[\"Operation\",\"Information to retain\"],\"rows\":[[\"Select a region\",\"Original take identity, channel selection, start and end positions, and selection purpose.\"],[\"Create a derivative\",\"Input identities, processing parameters, software version and output checksum.\"],[\"Define a loop\",\"Source region, loop boundaries, method and any crossfade or transformation.\"],[\"Prepare playback\",\"Mappings from controls to resources, supported ranges and known omissions.\"]],\"type\":\"table\"},{\"id\":\"session-close\",\"text\":\"Close the session with a small audit\",\"type\":\"heading\"},{\"items\":[\"Check that the planned captures and actual files agree, recording omissions rather than inventing completeness.\",\"Keep originals and derived files distinguishable and verify that copied bytes still match their checksums.\",\"Export the session metadata with the audio and preserve the meaning of each channel.\",\"Review rights and the intended public subset before preparing the preservation package.\"],\"type\":\"list\"},{\"text\":\"A successful export is the beginning of reuse, not the end of documentation. The next user needs to know which resource is original, which is prepared for playback and which transformations connect them. The VAO carrier model can package those roles without collapsing them into a single anonymous sample library.\",\"type\":\"p\"},{\"items\":[{\"href\":\"/notebooks/vao/structure/\",\"label\":\"VAO carrier structure\"}],\"type\":\"links\"},{\"id\":\"handoff-record\",\"text\":\"Prepare a handoff another researcher can inspect\",\"type\":\"heading\"},{\"text\":\"At the end of a session, identify the instrument state, acquisition date, equipment chain, channel assignment, microphone positions and relevant environmental observations. Associate each take with its intended note, register or action while retaining uncertain assignments. Keep omitted or interrupted takes distinguishable from notes that were never scheduled. This makes the coverage of the capture plan assessable.\",\"type\":\"p\"},{\"text\":\"When analysis begins, preserve the relation between the original take and each excerpt, segment or loop. A working project can hold editable decisions; an export fixes a particular result for exchange. Record the export version and the exact source material it represents. Before interpreting a summary statistic, check whether its observations are takes, channels, notes or independent physical components.\",\"type\":\"p\"},{\"items\":[{\"detail\":\"A practical route from waveform inspection to a reusable result.\",\"href\":\"/notebooks/fieldwork/analysis/\",\"label\":\"Audio analysis in context\"}],\"type\":\"links\"}],\"intro\":\"Keep the original recording available as analysis and playback regions evolve.\",\"slug\":\"workflow\",\"sources\":[{\"detail\":\"The recording application’s release record.\",\"href\":\"https://doi.org/10.5281/zenodo.22698744\",\"label\":\"OrgRec 0.3.2\"},{\"detail\":\"The versioned specification and reference tools.\",\"href\":\"https://doi.org/10.5281/zenodo.22214248\",\"label\":\"VAO Standard 0.5.0\"},{\"detail\":\"Versioned release description: standalone audio analysis, recording projects and analysis exports. Software functionality is distinct from the thesis evaluation.\",\"href\":\"https://doi.org/10.5281/zenodo.22698744\",\"label\":\"OrgRec 0.3.2\"},{\"detail\":\"Dissertation submitted to Universität Leipzig, 11 September 2026. §8.2.2.1, pp. 264–265. Page numbers refer to the printed manuscript pagination. The manuscript is not distributed by this website.\",\"label\":\"Dominik Ukolov · Musikinstrumente im virtuellen Raum (2026)\"}],\"title\":\"Capture, review, preserve\"},\"date\":\"2026-09-26\",\"edition\":\"2026-09-r6\",\"figures\":{}}", "payload": { "edition": "2026-09-r6", "date": "2026-09-26", "book": { "slug": "fieldwork", "title": "Recording & fieldwork", "number": "03" }, "chapter": { "slug": "workflow", "title": "Capture, review, preserve", "intro": "Keep the original recording available as analysis and playback regions evolve.", "blocks": [ { "type": "table", "headers": [ "Stage", "Record to retain" ], "rows": [ [ "Plan", "Instrument, specification, session objectives and capture roadmap." ], [ "Capture", "Original audio, channel identities, equipment and session observations." ], [ "Review", "Accepted or rejected takes and the reasons for those decisions." ], [ "Derive", "Time regions, loop decisions, transformations and their parameters." ], [ "Export", "Versioned resources, rights, provenance and checked file identities." ] ] }, { "type": "heading", "text": "Regions are not replacement recordings", "id": "regions" }, { "type": "p", "text": "A sustained sample or a loop can be defined as a region of an original take. Keeping that relation allows another researcher to inspect the surrounding signal and revisit an editing decision." }, { "type": "example", "id": "cuntz-audio-regions", "title": "How do we identify a passage within a recording?", "concept": "A timebase defines how positions correspond to time. A half-open interval includes its first position and excludes its end, avoiding an extra sample at a shared boundary.", "scenario": "For a teaching calculation, take a hypothetical 192,000-frame-per-second audio realization, matching the sampling rate described for the Cuntz thesis recording setup. The excerpt below is illustrative, not an identified take.", "steps": [ { "title": "State the region in frames", "text": "The interval [192000, 384000) starts one second into the signal and spans 192,000 frames: exactly one second at the stated rate." }, { "title": "Keep channels distinct", "text": "A stereo frame includes a sample from each channel. The same one-second interval does not become two seconds because there are two channels, nor does it become two independent pipe recordings." }, { "title": "Connect timing systems explicitly", "text": "If a video or control timeline starts elsewhere, record a mapping between its timebase and the audio frame positions, including offset and any uncertainty or discontinuity." } ], "takeaway": "An exact excerpt needs the signal realization, channel interpretation, frame interval and rate.", "boundary": "This numerical example is a teaching calculation, not a new analysis of a published Cuntz audio excerpt.", "sources": [ { "label": "Dominik Ukolov · Musikinstrumente im virtuellen Raum (2026)", "detail": "Submitted dissertation, 11 September 2026; §§8.2.2.1 and 8.4.1, printed pp. 264–265 and 275–276. The historical description and digital inventory require a resolved mapping; the manuscript is not redistributed here." }, { "label": "VAO Standard 0.5.0", "href": "https://doi.org/10.5281/zenodo.22214248", "detail": "The standard contract is separate from the Cuntz dataset content version 0.5.0-rc.2." } ], "expanded": false, "caseLabel": "Cuntz", "evidence": "Illustrative scenario" }, { "type": "heading", "text": "Preservation and playback serve different needs", "id": "preservation" }, { "type": "p", "text": "A convenient playback package may contain only the assets needed by one application. A preservation release must also retain the information required to understand the selection and its provenance. VAO separates semantic release identity from the choice of carrier." }, { "type": "heading", "text": "Use a stable identity for every take", "id": "take-identity" }, { "type": "p", "text": "A take belongs to a session and a documented instrument configuration. Give it a stable identity before generating analysis files, excerpts or playback assets. Human-readable filenames help during recording, but the export should also preserve the relationships that explain those names. A renamed or copied file must not silently become a different observation." }, { "type": "heading", "text": "Keep review decisions alongside the signal", "id": "review-decisions" }, { "type": "p", "text": "During review, distinguish what happened in the recording from what you decide to use. Background noise, an interrupted note or an unexpected register state is an observation. Accepting a take, choosing a region or setting a loop is an editorial decision. Recording both lets a later reader revisit the choice without guessing from the final excerpt." }, { "type": "table", "headers": [ "Operation", "Information to retain" ], "rows": [ [ "Select a region", "Original take identity, channel selection, start and end positions, and selection purpose." ], [ "Create a derivative", "Input identities, processing parameters, software version and output checksum." ], [ "Define a loop", "Source region, loop boundaries, method and any crossfade or transformation." ], [ "Prepare playback", "Mappings from controls to resources, supported ranges and known omissions." ] ] }, { "type": "heading", "text": "Close the session with a small audit", "id": "session-close" }, { "type": "list", "items": [ "Check that the planned captures and actual files agree, recording omissions rather than inventing completeness.", "Keep originals and derived files distinguishable and verify that copied bytes still match their checksums.", "Export the session metadata with the audio and preserve the meaning of each channel.", "Review rights and the intended public subset before preparing the preservation package." ] }, { "type": "p", "text": "A successful export is the beginning of reuse, not the end of documentation. The next user needs to know which resource is original, which is prepared for playback and which transformations connect them. The VAO carrier model can package those roles without collapsing them into a single anonymous sample library." }, { "type": "links", "items": [ { "label": "VAO carrier structure", "href": "/notebooks/vao/structure/" } ] }, { "type": "heading", "id": "handoff-record", "text": "Prepare a handoff another researcher can inspect" }, { "type": "p", "text": "At the end of a session, identify the instrument state, acquisition date, equipment chain, channel assignment, microphone positions and relevant environmental observations. Associate each take with its intended note, register or action while retaining uncertain assignments. Keep omitted or interrupted takes distinguishable from notes that were never scheduled. This makes the coverage of the capture plan assessable." }, { "type": "p", "text": "When analysis begins, preserve the relation between the original take and each excerpt, segment or loop. A working project can hold editable decisions; an export fixes a particular result for exchange. Record the export version and the exact source material it represents. Before interpreting a summary statistic, check whether its observations are takes, channels, notes or independent physical components." }, { "type": "links", "items": [ { "label": "Audio analysis in context", "href": "/notebooks/fieldwork/analysis/", "detail": "A practical route from waveform inspection to a reusable result." } ] } ], "sources": [ { "label": "OrgRec 0.3.2", "href": "https://doi.org/10.5281/zenodo.22698744", "detail": "The recording application’s release record." }, { "label": "VAO Standard 0.5.0", "href": "https://doi.org/10.5281/zenodo.22214248", "detail": "The versioned specification and reference tools." }, { "label": "OrgRec 0.3.2", "href": "https://doi.org/10.5281/zenodo.22698744", "detail": "Versioned release description: standalone audio analysis, recording projects and analysis exports. Software functionality is distinct from the thesis evaluation." }, { "label": "Dominik Ukolov · Musikinstrumente im virtuellen Raum (2026)", "detail": "Dissertation submitted to Universität Leipzig, 11 September 2026. §8.2.2.1, pp. 264–265. Page numbers refer to the printed manuscript pagination. The manuscript is not distributed by this website." } ] }, "figures": {} } }